Moxa’s UPort USB-to-serial converters provide computers with high performance, industrial-grade connections for up to 16 serial devices over a single USB port. A wide range of converters are available with features that include SuperSpeed USB 3.2 and Hi-Speed USB 2.0, advanced UARTs for high-end serial performance, COM port mapping, fixed-base COM functionality, and more.

USB to 4-port RS-232 serial hub

USB Interface
Speed
– 12 Mbps, 480 Mbps
USB Connector
– USB Type B
USB Standards
– USB 1.1/2.0 compliant

Serial Interface
No. of Ports
– 4
Connector
– DB9 male
Baudrate
– 50 bps to 921.6 kbps
Data Bits
– 5, 6, 7, 8
Stop Bits
– 1, 1.5, 2
Parity
– None, Even, Odd, Space, Mark
Flow Control
– None
– RTS/CTS
– XON/XOFF
Serial Standards
– RS-232 (DB9 male connector)

Serial Signals
RS-232
– TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422
– Tx+, Tx-, Rx+, Rx-, GND
RS-485-4w
– Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w
– Data+, Data-, GND

Serial Software Features
Windows Drivers
– Windows 11/10/8.1/8/7/Vista/XP/ME/98/95
– Windows Server 2022/2019/2016/2012 R2/2012/2008 R2/2008/2003/2000/NT
Linux Drivers
– Kernel versions: 6.x, 5.x, 4.x, 3.x, 2.6.x and 2.4.x
Mac Drivers
– macOS versions: 10.12 to 10.15, 11.x
Virtual Machine
– VMware Fusion (Windows on macOS 10.12 to 11.x)
– VMWare ESXi (Linux kernel 4)
– Parallels Desktop (Windows on macOS 10.12 to 11.x)
Arm®-based Platform Support
– Linux kernel 5.x / 4.x
Android API
– Android 3.1.x and later

Power Parameters
Input Voltage
– 12 to 48 VDC
Input Current
– 260 mA @ 12 VDC

Physical Characteristics
Housing
– Metal
Dimensions
– 204 x 30 x 125 mm (8.03 x 1.18 x 4.92 in)
Weight
– 1,345 g (2.97 lb)

Environmental Limits
Storage Temperature (package included)
– -20 to 75°C (-4 to 167°F)
Ambient Relative Humidity
– 5 to 95% (non-condensing)
Operating Temperature
– 0 to 55°C (32 to 131°F)

Standards and Certifications
EMC
– EN 55032/35
EMI
– CISPR 32, FCC Part 15B Class A
EMS
– IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV
– IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m
– IEC 61000-4-4 EFT: Power: 1 kV
– IEC 61000-4-5 Surge: Power: 1 kV
– IEC 61000-4-6 CS: 150 kHz to 80 MHz: 3 V/m
– IEC 61000-4-8 PFMF
Safety
– UL 62368-1
– IEC 62368-1

Declaration
Green Product
– RoHS, CRoHS, WEEE

MTBF
Time
– 394,441 hrs
Standards
– Telcordia (Bellcore) Standard